16018013 has 8 divisors (see below), whose sum is σ = 17508576. Its totient is φ = 14533200.

The previous prime is 16018001. The next prime is 16018021. The reversal of 16018013 is 31081061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16018013 - 2¹² = 16013917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16018043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (2188572).

Almost surely, 2^16018013 is an apocalyptic number.

It is an amenable number.

16018013 is a deficient number, since it is larger than the sum of its proper divisors (1490563).

16018013 is a wasteful number, since it uses less digits than its factorization.

16018013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 16018013 is about 4002.2509916296. The cubic root of 16018013 is about 252.0787368391.

Adding to 16018013 its reverse (31081061), we get a palindrome (47099074).

The spelling of 16018013 in words is "sixteen million, eighteen thousand, thirteen".